-er c-- ccc ccd cce ccm cco ccr ccu ccv cdc cdd cde cdm cdo cdr cdu cdv ce- cec ced cee cem ceo cer ceu cev cmc cmd cme cmm cmo cmr cmu cmv co- coc cod coe com coo cor cou cov crc crd cre crm cro crr cru crv cuc cud cue cum cuo cur cuu cuv cvc cvd cve cvm cvo cvr cvu cvv dcc dcd dce dcm dco dcr dcu dcv ddc ddd dde ddm ddo ddr ddu de- dec ded dee dem deo der deu dev dmc dmd dme dmm dmo dmr dmu dmv doc dod doe dom doo dor dou dov drc drd dre drm dro drr dru drv duc dud due dum duo dur duv dvc dvd dve dvm dvr dvu ec- ecc ecd ece ecm eco ecr ecu ecv ed- edc edd ede edm edo edr edu eec eed eee eem eeo eer eev em- emc emd eme emm emo emr emu emv eo- eoc eod eoe eom eoo eor eou erc erd ere erm ero err eru erv eu- euc eud eue eur euv evc evd eve evm evo evr evv m-o m-r m-v mc- mcc mcd mce mcm mco mcr mcu mcv mdc mdd mde mdm mdo mdr mdu mdv mec med mee mem meo mer meu mev mmc mmd mme mmm mmo mmr mmu mmv moc mod moe mom moo mor mou mov mrc mrd mre mrm mro mrr mru mrv muc mud mue mum mur muu mvc mvd mve mvm mvo mvr mvv oc- occ ocd ocm oco ocr ocu ocv odc odd ode odm odo odr odu odv oec oed oee oem oeo oer om- omc omd ome omm omo omr omu omv oo- ooc ood oom ooo oor oov or- orc ord ore orm oro orr oru orv ou- ouc oud oue oum ouo our ov- ovc ovd ove ovo ovv rcc rcd rce rcm rco rcr rcu rcv rdc rdd rde rdm rdo rdr rdu rdv re- rec red ree rem reo rer reu rev rmc rmd rme rmm rmo rmr rmv roc rod roe rom roo ror rou rov rrc rrd rrm rrr rru ruc rud rue rum ruo rur ruu ruv rvc rvd rve rvm rvo rvr rvu rvv ucc ucd uce ucm uco ucr ucu ucv udc udd ude udm udo udr udu udv uec ued uee uem uer um- umc umd ume umm umo umr umu uoc uod uoe uom uoo uor ur- urc urd ure urm uro urr uru uuc uue uum uur uuu uvc uve uvm uvo uvu uvv v-e vcc vcd vce vcm vco vcr vcu vdc vdd vde vdm vdo vdr vdu vdv vec ved vee vem veo ver veu vm- vmc vmd vmm vmo vmr vmu voc vod voe vom voo vor vou vov vrc vrd vre vrm vrr vru vue vum vur vuv vvc vvm vvo vvr vvv